ImportError: /opt/ros/kinetic/lib/python2.7/dist-packages/cv2.so: undefined symbol: PyCObject_Type

本文介绍了解决在Python3环境下使用CV2时遇到的路径错误问题。通过修改环境变量,将Python3的site-packages路径加入,确保系统正确识别CV2模块。详细步骤包括临时设置环境变量和永久修改.bashrc文件。

使用python3 运行一个调用CV2的文件时,容易出现这个错误,查了一下解决方案,明白了,系统的默认路径是python2 的路径,所以会报错,所以运行以下代码:

export PYTHONPATH=/home/llx/.local/lib/python3.5/site-packages

然后再运行代码就可以了,但是好像下次再运行还会出错.
我后来思路是进入环境变量文件夹,直接将这个环境变量添加到里面。

sudo gedit .bashrc

然后将上面代码复制进去,保存尽可以了。

(hrl) yangs@yangs:~/hrl-nav$ python -m examples.test --scenario atc --low_level_agent_params /home/yangs/hrl-nav/tmp/hrl_nav_logs/NavGymRewardRandomize-v0/hrl/2025_05_18_19_31_32/seed_0/low_level/itr_120.pkl --high_level_agent_params /home/yangs/hrl-nav/tmp/hrl_nav_logs/NavGymHierarchical-v0/hrl/2025_05_19_18_04_58/seed_0/high_level/itr_80.pkl --spec atc rlkit/envs/wrappers/__init__.py: can not import ImageMujocoEnv. Mujoco not installed Traceback (most recent call last): File "/home/yangs/anaconda3/envs/hrl/lib/python3.6/runpy.py", line 193, in _run_module_as_main "__main__", mod_spec) File "/home/yangs/anaconda3/envs/hrl/lib/python3.6/runpy.py", line 85, in _run_code exec(code, run_globals) File "/home/yangs/hrl-nav/examples/test.py", line 12, in <module> from nav_gym_env.ros_env import RosEnv File "/home/yangs/catkin_ws/src/nav-gym/nav_gym/src/nav_gym_env/ros_env.py", line 13, in <module> from tf.transformations import quaternion_from_euler File "/opt/ros/melodic/lib/python2.7/dist-packages/tf/__init__.py", line 30, in <module> from tf2_ros import TransformException as Exception, ConnectivityException, LookupException, ExtrapolationException File "/opt/ros/melodic/lib/python2.7/dist-packages/tf2_ros/__init__.py", line 38, in <module> from tf2_py import * File "/opt/ros/melodic/lib/python2.7/dist-packages/tf2_py/__init__.py", line 38, in <module> from ._tf2 import * ImportError: dynamic module does not define module export function (PyInit__tf2)什么错误原因
最新发布
07-08
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